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86346 Studies found for: (NOT NOTEXT) [CITATIONS]
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Map Legend
Region Name   Number of Studies
World 86,346  
Africa   [map]   3,180  
Central America   [map]   1,229  
East Asia   [map]   8,271  
Japan 1,432   [studies]
Europe   [map]   26,478  
Middle East   [map]   3,602  
North America 39,081  
Canada   [map]   6,908   [studies]
Greenland 1   [studies]
Mexico 1,408   [studies]
United States   [map]   34,873   [studies]
North Asia   [map]   1,884  
Pacifica   [map]   2,640  
South America   [map]   3,871  
South Asia   [map]   1,657  
Southeast Asia   [map]   2,194  

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Studies with multiple locations are included in each region containing locations.